Battery charger



FIG. 1 is a front elevational view of a battery charger showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front view thereof with cover being opened;

FIG. 8 is a left side view thereof with cover being opened;

FIG. 9 is a right side view thereof with cover being opened;

FIG. 10 is a rear view thereof with cover being opened;

FIG. 11 is a top plan view thereof with cover being opened; and,

FIG. 12 is a bottom plan view thereof with cover being opened. 

The ornamental design for a battery charger, as shown. 